公开(公告)号：US20240347507A1

公开(公告)日：2024-10-17

申请号：US18444783

申请日：2024-02-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Jun Ho SIM ,  Jae Hun LEE ,  Yun Jong YEO ,  DAWOON JUNG ,  Yang-Ho JUNG ,  Yu-Gwang JEONG

IPC: H01L25/065 ,  B60K35/22 ,  H01L27/12 ,  H01L33/58

CPC classification number: H01L25/0655 ,  B60K35/22 ,  H01L25/0652 ,  H01L27/124 ,  H01L33/58 ,  B60K2360/332 ,  B60K2360/343

Abstract: A light emitting display device and a car including the same according to embodiments include: a substrate; a plurality of light emitting diodes that are disposed above the substrate and include a plurality of light emitting layers; a pixel defining layer that has openings corresponding to the plurality of light emitting layers; and a plurality of light blocking patterns that are disposed on the pixel defining layer and the plurality of light emitting layers, and extend in a first direction. Each of the plurality of light blocking patterns includes a first portion and a second portion formed on the first portion and having a width decreasing toward an upper portion thereof.

公开(公告)号：US20240332265A1

公开(公告)日：2024-10-03

申请号：US18678529

申请日：2024-05-30

Applicant: Samsung Display Co., LTD.

Inventor： In Hyuk KIM ,  Dong Gyun KIM ,  Jae Hoon JUNG ,  Jin Oh KWAG ,  Hee Yeon YOO ,  Sung Chan JO ,  Jeong In CHOI ,  Hye Jung HONG ,  Jong Hyuk KANG ,  Dong Eon LEE ,  Hyun Min CHO

IPC: H01L25/075 ,  H01L21/68 ,  H01L21/78 ,  H01L33/00

CPC classification number: H01L25/0753 ,  H01L21/68 ,  H01L21/7806 ,  H01L33/005

Abstract: An apparatus includes a base including a receiving portion that receives a substrate on which semiconductor elements are disposed; and at least one ultrasonic generator that generates and applies ultrasonic waves to the substrate placed in the base.

公开(公告)号：US20240290914A1

公开(公告)日：2024-08-29

申请号：US18654802

申请日：2024-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Su Mi MOON ,  Eun Ju KIM ,  Hyun Min CHO

IPC: H01L33/44 ,  H01L25/16 ,  H01L33/00 ,  H01L33/24

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L33/0062 ,  H01L33/0066 ,  H01L33/24 ,  H01L2933/0025

Abstract: A light emitting element includes an emission stacked pattern and an insulating film. The emission stack pattern includes a first conductive semiconductor layer, an active layer disposed on the first conductive semiconductor layer, and a second conductive semiconductor layer disposed on the active layer. The insulating film surrounds an outer surface of the emission stacked pattern and has a non-uniform thickness.

公开(公告)号：US20240097083A1

公开(公告)日：2024-03-21

申请号：US18519929

申请日：2023-11-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Min CHO

IPC: H01L33/52 ,  H01L25/075 ,  H01L33/38 ,  H01L33/48 ,  H01L33/56 ,  H01L33/58

CPC classification number: H01L33/52 ,  H01L25/0753 ,  H01L33/382 ,  H01L33/385 ,  H01L33/387 ,  H01L33/48 ,  H01L33/483 ,  H01L33/486 ,  H01L33/56 ,  H01L33/58 ,  H01L25/167

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

公开(公告)号：US20230282778A1

公开(公告)日：2023-09-07

申请号：US17992656

申请日：2022-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Dong Gyun KIM ,  Jun Bo SIM ,  Hee Yeon YOO ,  Jeong In CHOI ,  Chul Jong YOO ,  Yo Han LEE ,  Sung Ae JANG ,  Hyun Min CHO ,  Hyung Rae CHA

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/62

Abstract: A light-emitting element comprises a core comprising a first semiconductor layer, a second semiconductor layer provided on the first semiconductor layer, and an emissive layer provided between the first semiconductor layer and the second semiconductor layer, and a first element insulating film around a side surface of the core, wherein the first element insulating film comprises a composite of an insulating member and an elastic member.

公开(公告)号：US20230033767A1

公开(公告)日：2023-02-02

申请号：US17783969

申请日：2020-11-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eun A YANG ,  Han Su KIM ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/20 ,  H01L27/15 ,  H01L33/62

Abstract: A display device may include pixels disposed on a substrate. Each of the pixels may include a first electrode, a second electrode spaced apart from the first electrode and enclosing a perimeter of the first electrode, light emitting elements disposed between the first electrode and the second electrode, and each including a first end and a second end, a third electrode overlapping the first electrode and the first end of each of the light emitting elements in a plan view, and electrically contacting the first electrode and the first end of each of the light emitting elements, and a fourth electrode overlapping the second electrode and the second end of each of the light emitting elements in a plan view, and electrically contacting the second electrode and the second end of each of the light emitting elements. The light emitting elements may be radially disposed around the first electrode.

公开(公告)号：US20230025604A1

公开(公告)日：2023-01-26

申请号：US17786293

申请日：2020-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: B41J25/00

Abstract: An inkjet printing apparatus comprises a frame, an inkjet head disposed on the frame, a first probe disposed on the frame, arranged at a side of the inkjet head, and providing a first voltage, and a second probe disposed on the frame, arranged at another side of the inkjet head, and providing a second voltage.

公开(公告)号：US20230006119A1

公开(公告)日：2023-01-05

申请号：US17784462

申请日：2020-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Sik OH ,  Su Mi MOON ,  Sin Chul KANG ,  Hyun Min CHO ,  Xinxing LI ,  Chul Jong YOO

IPC: H01L33/62 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

Abstract: A display device may include a substrate including pixel areas, and a pixel disposed in each of the pixel area. The pixel may include a transistor and a driving voltage line disposed in the substrate, first and second electrodes spaced apart from each other, a bank pattern disposed on the first and second electrodes, respectively, intermediate layers disposed on the bank pattern, light emitting elements disposed between two adjacent intermediate layers of the intermediate layers, a first contact electrode disposed on one of the two adjacent intermediate layers and electrically connected to an end of each of the light emitting elements, and a second contact electrode disposed on another one of the two adjacent intermediate layers and electrically connected to another end of each of the light emitting elements.

公开(公告)号：US20220359478A1

公开(公告)日：2022-11-10

申请号：US17619762

申请日：2020-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing LI ,  Dae Hyun KIM ,  Hyun Min CHO

IPC: H01L25/16 ,  H01L33/54 ,  H01L33/62 ,  H01L23/00

Abstract: A display device includes a first electrode and a second electrode disposed on a substrate and spaced apart from each other, a light emitting element on the substrate and having a first end and a second end, a third electrode disposed on the light emitting element, and electrically connecting the first electrode with the first end of the light emitting element, an insulating pattern disposed on the third electrode and exposing the second end of the light emitting element, and a fourth electrode on the substrate, and electrically connecting the second electrode with the second end of the light emitting element. A void may be formed between the light emitting element and the insulating pattern.

公开(公告)号：US20220254753A1

公开(公告)日：2022-08-11

申请号：US17630595

申请日：2020-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Won Ho LEE ,  Hyun Deok IM ,  Jong Hyuk KANG ,  Jin Oh KWAG ,  Keun Kyu SONG ,  Sung Chan JO ,  Hyun Min CHO

IPC: H01L23/00 ,  H01L21/68 ,  H01L25/16 ,  B41M3/00

Abstract: A dipole alignment device includes an electric field forming part including a stage, and a probe part which form an electric field on the stage; an inkjet printing apparatus including at least one inkjet head which sprays ink including dipoles and a solvent with the dipoles dispersed therein onto the stage; a transportation part comprising a first moving part which moves the electric field forming part in at least one direction; and a light irradiation apparatus including a light irradiation part which applies light to the ink sprayed onto the stage.